Home / 27,116.25-40,674.38-8,648.25

Finding the Fourth Proportional to 27,116.25, 40,674.38 and 8,648.25

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Solution

The fourth proportional to 27,116.25, 40,674.38 and 8,648.25 is: 12,972.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,116.25 : 40,674.38 = 8,648.25 : x
  2. Step 2: Convert to fraction form
    27,116.25/40,674.38 = 8,648.25/x
  3. Step 3: Cross multiply
    27,116.25x = 40,674.38 × 8,648.25
  4. Step 4: Simplify right side
    27,116.25x = 351,762,163.59
  5. Step 5: Solve for x
    x = 351,762,163.59/27,116.25
  6. Step 6: Final answer
    x = 12,972.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.